Results 21 to 30 of about 2,155,111 (338)
Design and Analysis of Wide Speed Regulation of Variable Leakage Flux Reverse Salient-Pole Motor
CES Transactions on Electrical Machines and Systems, 2023 In this article, a new variable leakage flux reverse salient-pole motor (VLF-RSPM) is raised to widen the speed range. The innovation is to realize both reverse salient-pole characteristics and variable leakage flux characteristics by using a method of ...
Xiping Liu +3 more
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Causal Effect of Leading-Edge Sawtooth Configuration on Flow Field Characteristics and Aerodynamic Losses in the Supersonic Compressor Cascade [PDF]
Journal of Applied Fluid MechanicsThis study focuses on the TM-141 supersonic compressor blade as the subject of investigation. Utilizing the Reynolds-averaged numerical simulation approach, the study examines the impact of the leading-edge sawtooth structure on the blade grid, flow ...
S. J. Hu, Z. J. Wei, M. Ni, G. M. Ren
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Applied Sciences, 2023 In this paper, a novel mechanical flux-weakening design of a spoke-type permanent magnet generator for a stand-alone power supply is proposed. By controlling the position of the adjustable modulator ring mechanically, the total induced voltage, i.e., the
Mingyuan Jiang, Shuangxia Niu
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An NUTSF at Sub-Region for Suppression of Torque Ripple in Switched Reluctance Motors
Applied Sciences, 2022 The conventional torque sharing function (TSF) control strategy in a switched reluctance motor (SRM) has higher torque ripple due to the weak torque tracking ability with an increase in speed.
Chaozhi Huang, Wensheng Cao, Junxin Xu
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CCS-MPC for PMSM with Wide Speed Range based on Variable DC-Bus Voltage Control applied to the Flywheel Energy Storage System [PDF]
E3S Web of Conferences, 2021 In this paper, in order to verify the effect of variable DC-bus voltage control, CCS-MPC (Continuous-Control-Set MPC) control is used to research the control of PMSM (Permanent-Magnet Synchronous Machine) in a wide speed range.
Tian Aobo +3 more
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Diagnostic techniques in deflagration and detonation studies [PDF]
, 2015 Advances in experimental, high-speed techniques can be used to explore the processes occurring within energetic materials. This review describes techniques used to study a wide range of processes: hot-spot formation, ignition thresholds, deflagration ...
Field, JE +3 more
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CES Transactions on Electrical Machines and Systems, 2021 In this paper, a controllable leakage flux reverse salient permanent magnet synchronous motor (CLF-RSPMSM) is designed, which has the advantages of wide speed range and low irreversible demagnetization risk. Firstly, the principle of controllable leakage
Longxin Du +4 more
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Changes in long jump take-off technique with increasing run-up speed [PDF]
, 2006 The aim of this study was to determine the influence of run-up speed on take-off technique in the long jump. Seventy-one jumps by an elite male long jumper were recorded in the sagittal plane by a high-speed video camera.
Bridgett, LA, Linthorne, NP
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A Review of Aerodynamic Design for Wide-Speed Range Waverider Vehicle [PDF]
Hangkong bingqiAs a hypersonic aerodynamic configuration that can break through the lift-drag ratio barrier, waverider configuration is an important candidate for wide-speed reusable aircraft. Therefore.
Wang Chenhang, Jin Liang, Zhao Zhentao, Xie Zan, Huang Wei
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Secular Instabilities of Keplerian Stellar Discs [PDF]
, 2018 We present idealized models of a razor-thin, axisymmetric, Keplerian stellar disc around a massive black hole, and study non-axisymmetric secular instabilities in the absence of either counter-rotation or loss cones.
Kaur, Karamveer +3 more
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